What is not a reason that volvocine algae are ideal for studying the evolution of individuality?

a. They have had a recent transition to multicellularity.
b. Within the group, there are multiple separate transitions to germ and soma lines.
c. The group exhibits extensive variation multicellularity.
d. They readily form aggregate slugs.


D

Biology & Microbiology

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The part of a chromosome that shortens with each cell division, functioning as a "clock," is the

A) centromere. B) centrosome. C) centriole. D) telomere.

Biology & Microbiology

Which are low-growing, nonvascular plants that have flagellated sperm and disperse by producing spores?

a. mosses b. ferns c. liverworts d. hornworts e. lichen

Biology & Microbiology

Muscle cells require more energy than most other cells in order to function. Therefore, muscle cells would be expected to have more ________ and ________ than most other animal cells

A) glycogen; mitochondria B) peroxisomes; fat C) mitochondria; starch D) ribosomes; glycogen E) glucose; nuclei

Biology & Microbiology

A hungry newborn human infant, touched on the side of her mouth, will turn her head and attempt to suckle. This behavior is

A) innate. B) not under genetic control. C) learned. D) nonadaptive.

Biology & Microbiology